Dental floss dispenser



FIG. 1 is a front perspective view of a dental floss dispenser showing my new design in full lines with the broken lines showing environmental association matter being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a back elevational view thereof. 

The ornamental design for a dental floss dispenser, as shown and described. 